Classification and application of laser marking machine1

Laser marking machines are divided into: fiber laser marking machines, CO2 (carbon dioxide) laser marking machines, and ultraviolet laser marking machines according to the way they generate laser light. There are many types of laser marking machines, etc., according to different types of laser marking machines, their application scope is also very different?

1. Fiber laser marking machine

The fiber laser marking machine uses a fiber laser to output laser light, and then realizes the marking function through a high-speed scanning galvanometer system, and the fiber marking machine photoelectric conversion High rate, can engrave metal materials and some non-metal materials, mainly used in the fields with high depth, smoothness and fineness, bitmap marking, can mark exquisite patterns on the surface of metal, plastic, etc., using laser beam Permanently mark the surface of various substances. The effect of marking is to expose the deep material through the evaporation of the surface material, or to 'engrave' traces through the physical changes of the surface material caused by light energy, or to burn off part of the material through light energy to reveal the desired etching pattern. , text, barcodes and other graphics.

Application fields: used in hardware products, tool accessories, precision instruments, glasses and clocks, jewelry, auto parts, plastic buttons, building materials, food, medicine, electronic components, integrated circuits (IC), electricians Electrical appliances, mobile communication, PVC pipes, sanitary ware and other industries.

2, CO2 (carbon dioxide) laser marking machine

CO2 laser marking machine That is, the carbon dioxide laser marking machine passes the laser beam through beam expansion, galvanometer, and focusing, and then controls the deflection of the galvanometer to achieve high-performance laser equipment for marking. CO2 laser is a gas laser with a wavelength of 10640nm in the infrared light band. CO2 gas is used to charge the discharge tube as a medium for generating laser light. When a high voltage is applied to the electrode, a glow discharge is generated in the discharge tube, which can make gas molecules release laser light. , After the laser energy is amplified, a laser beam for material processing is formed, and the laser beam optical path is changed by the computer to control the galvanometer to realize automatic marking. That is, when the laser beam is irradiated on the surface of the material, the light energy is instantly converted into heat energy, and the surface of the material is instantly melted or even vaporized, thereby forming a mark. After amplifying the laser energy, after scanning by the galvanometer and focusing by the F-Theta mirror, under the control of the computer and the laser marking control card, images, characters, numbers and lines can be marked on the workpiece according to the user's requirements.

Application fields: electronic components, instrumentation, clothing, leather, luggage, shoes, buttons, glasses, medicine, food, beverage, cosmetics, packaging, electrical equipment, etc. It is also suitable for marking, engraving, hollowing and cutting of various non-metallic materials and products. Various characters, symbols, graphics, images, barcodes, serial numbers, etc. can be marked, engraved, hollowed out, and cut.

3, UV laser marking machine

UV laser marking machine relies on laser Energy breaks the bonds between atoms or molecules, making them into small molecules and gasifying and evaporating. Due to its extremely small focusing spot and minimal processing influence area, the ultraviolet laser marking machine belongs to the series of laser marking machines, but it is developed with a 355nm ultraviolet laser. Compared with lasers, 355 ultraviolet light has a very small focusing spot, which can greatly reduce the mechanical deformation of the material and has little processing heat effect. Because it is mainly used for ultra-fine marking and engraving, it is especially suitable for marking food and pharmaceutical packaging materials. , drilling micro-holes, high-speed division of glass materials and complex pattern cutting of silicon wafers and other applications. Therefore, ultra-fine marking and special material marking can be carried out.

Application fields: mainly used in ultra-fine processing, such as surface marking of packaging bottles for iPhone, cosmetics, medicine, food and other polymer materials; marking and scribing of flexible PCB boards; silicon wafers Micro-hole, blind-hole processing; LCD liquid crystal glass, glassware surface, metal surface coating, plastic buttons, electronic components, gifts, communication equipment, building materials, etc.

The wavelengths of different types of laser marking machines are different. No matter what type of laser marking machine, its scope of application has certain limitations, so in practical applications, do not use one laser marking equipment to laser mark products of various materials. Laser laser marking machine, Yantai laser marking machine, Weihai laser marking machine and other laser equipment are available in stock, welcome to visit and buy!

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